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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Application
  * @subpackage Resource
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /**
  * @see Zend_Application_Resource_ResourceAbstract
  */
 // require_once 'Zend/Application/Resource/ResourceAbstract.php';
 
 
 /**
  * Resource for setting session options
  *
  * @uses       Zend_Application_Resource_ResourceAbstract
  * @category   Zend
  * @package    Zend_Application
  * @subpackage Resource
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Application_Resource_Session extends Zend_Application_Resource_ResourceAbstract
 {
     /**
      * Save handler to use
      *
      * @var Zend_Session_SaveHandler_Interface
      */
     protected $_saveHandler = null;
 
     /**
      * Set session save handler
      *
      * @param  array|string|Zend_Session_SaveHandler_Interface $saveHandler
      * @return Zend_Application_Resource_Session
      * @throws Zend_Application_Resource_Exception When $saveHandler is not a valid save handler
      */
     public function setSaveHandler($saveHandler)
     {
         $this->_saveHandler = $saveHandler;
         return $this;
     }
 
     /**
      * Get session save handler
      *
      * @return Zend_Session_SaveHandler_Interface
      * @throws Zend_Application_Resource_Exception
      */
     public function getSaveHandler()
     {
         if (!$this->_saveHandler instanceof Zend_Session_SaveHandler_Interface) {
             if (is_array($this->_saveHandler)) {
                 if (!array_key_exists('class', $this->_saveHandler)) {
                     throw new Zend_Application_Resource_Exception('Session save handler class not provided in options');
                 }
                 $options = array();
                 if (array_key_exists('options', $this->_saveHandler)) {
                     $options = $this->_saveHandler['options'];
                 }
                 $this->_saveHandler = $this->_saveHandler['class'];
                 $this->_saveHandler = new $this->_saveHandler($options);
             } elseif (is_string($this->_saveHandler)) {
                 $this->_saveHandler = new $this->_saveHandler();
             }
 
             if (!$this->_saveHandler instanceof Zend_Session_SaveHandler_Interface) {
                 throw new Zend_Application_Resource_Exception('Invalid session save handler');
             }
         }
         return $this->_saveHandler;
     }
 
     /**
      * @return bool
      */
     protected function _hasSaveHandler()
     {
         return ($this->_saveHandler !== null);
     }
 
     /**
      * Defined by Zend_Application_Resource_Resource
      *
      * @return void
      */
     public function init()
     {
         $options = array_change_key_case($this->getOptions(), CASE_LOWER);
         if (isset($options['savehandler'])) {
             unset($options['savehandler']);
         }
 
         if (count($options) > 0) {
             Zend_Session::setOptions($options);
         }
 
         if ($this->_hasSaveHandler()) {
             Zend_Session::setSaveHandler($this->getSaveHandler());
         }
     }
 }